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| rhizobiumSummarySummary: A genus of gram-negative, aerobic, rod-shaped bacteria that produce nodules on the roots of leguminous plants. Members of this genus are common soil inhabitants. Top Publications
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Rhizobium sp. strain NGR234 possesses a remarkable number of secretion systemsChristel Schmeisser
Biozentrum Klein Flottbek, Abteilung für Mikrobiologie und Biotechnologie, Universitat Hamburg, Germany
Appl Environ Microbiol 75:4035-45. 2009b>Rhizobium sp. strain NGR234 is a unique alphaproteobacterium (order Rhizobiales) that forms nitrogen-fixing nodules with more legumes than any other microsymbiont. We report here that the 3...
Rapid, transient expression of fluorescent fusion proteins in tobacco plants and generation of stably transformed plantsImogen A Sparkes
School of Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
Nat Protoc 1:2019-25. 2006..These cells can be used to generate stable plant lines using a more time-consuming, cell culture technique. Transient expression takes from 2 to 4 days whereas stable lines are generated after approximately 2 to 4 months...
Replication-independent expression of genome components and capsid protein of brome mosaic virus in planta: a functional role for viral replicase in RNA packagingPadmanaban Annamalai
Department of Plant Pathology, University of California, Riverside, CA 92521-0122, USA
Virology 338:96-111. 2005..These results demonstrated that packaging of BMV genomic RNAs is not replication dependent whereas expression of a functional viral replicase plays an active role in increasing specificity of RNA packaging...
Rhizobium alamii sp. nov., an exopolysaccharide-producing species isolated from legume and non-legume rhizospheresOdile Berge
CEA, DSV, IBEB, SBVME, Laboratoire d Ecologie Microbienne de la Rhizosphère et d Environnements Extrêmes LEMiRE, F 13108 Saint Paul lez Durance, France
Int J Syst Evol Microbiol 59:367-72. 2009..16S rRNA gene sequence analysis showed that the isolates are closely related to the strains Rhizobium sp. YAS34 and USDA 1920, respectively isolated from sunflower roots and Medicago ruthenica nodules...
Association of the Agrobacterium T-DNA-protein complex with plant nucleosomesBenoît Lacroix
Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, NY 11794 5215, USA
Proc Natl Acad Sci U S A 105:15429-34. 2008..Furthermore, this nucleosome-associated ternary complex can bind another bacterial virulence factor, VirF, which is an F-box protein known to target both VirE2 and VIP1 for proteasomal degradation and uncoat the T-DNA...
Biological systems of the host cell involved in Agrobacterium infectionVitaly Citovsky
Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, NY 11794, USA
Cell Microbiol 9:9-20. 2007....
Symbiotic use of pathogenic strategies: rhizobial protein secretion systemsWilliam J Deakin
LBMPS, University of Geneva, 30, quai Ernest Ansermet Sciences III, CH 1211 Geneve 4, Geneva, Switzerland
Nat Rev Microbiol 7:312-20. 2009..One group of proteins secreted by rhizobia have homologues in bacterial pathogens and may have been co-opted by rhizobia for symbiotic purposes...
Agrobacterium rhizogenes-transformed roots of Medicago truncatula for the study of nitrogen-fixing and endomycorrhizal symbiotic associationsA Boisson-Dernier
, INRA-CNRS UMR215, Castanet-Tolosan, France
Mol Plant Microbe Interact 14:695-700. 2001..Our results suggest that M. truncatula hairy roots represent a particularly attractive system with which to study endosymbiotic associations in transgenically modified roots...
Early infection of scutellum tissue with Agrobacterium allows high-speed transformation of riceSeiichi Toki
Plant Genetic Engineering Research Unit, National Institute of Agrobiological Sciences, 2 1 2 Kannondai, Tsukuba, Ibaraki 305 8602, Japan
Plant J 47:969-76. 2006..Our new system should reduce the somaclonal variation accompanying prolonged culture of rice cells in the dedifferentiated state and facilitate the molecular breeding of rice...
Silencing on the spot. Induction and suppression of RNA silencing in the Agrobacterium-mediated transient expression systemL K Johansen
Institute of Biological Chemistry, Washington State University, Pullman, Washington 99164-6340, USA
Plant Physiol 126:930-8. 2001..They also indicate that RNA silencing may be a significant limitation to expression of genes in the Agrobacterium-mediated transient assay but that this limitation can be overcome by using RNA silencing suppressors...
The mosaic structure of the symbiotic plasmid of Rhizobium etli CFN42 and its relation to other symbiotic genome compartmentsVictor Gonzalez
Centro de Investigacion Sobre Fijacion de Nitrogeno, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos, Mexico 62210
Genome Biol 4:R36. 2003..We report the complete sequence of the symbiotic plasmid of Rhizobium etli CFN42, a microsymbiont of beans, and a comparison with other SGC sequences available.
T-DNA binary vectors and systemsLan-Ying Lee
Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907-1392, USA
Plant Physiol 146:325-32. 2008
Rhizobium selenireducens sp. nov.: a selenite-reducing alpha-Proteobacteria isolated from a bioreactorW J Hunter
United States Department of Agriculture Agricultural Research Service, 2150 D Centre Avenue, Fort Collins, CO 80526 8119, USA
Curr Microbiol 55:455-60. 2007..16S rRNA gene-sequence alignment identified the isolate as a Rhizobium sp. belonging to the Rhizobium clade, which includes R. daejeonense, R. giardinii, R. undicola, R...
Plant proteins involved in Agrobacterium-mediated genetic transformationStanton B Gelvin
Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907 1392, USA
Annu Rev Phytopathol 48:45-68. 2010....
NopL, an effector protein of Rhizobium sp. NGR234, thwarts activation of plant defense reactionsAlexander V Bartsev
Laboratoire de Biologie Moleculaire des Plantes Superieures, Sciences III, Universite de Geneve, 1211 Geneve 4, Switzerland
Plant Physiol 134:871-9. 2004..Type III secretion systems have been found in Rhizobium species that form symbiotic, nitrogen-fixing associations with legumes. One such bacterium, Rhizobium sp...
A case of promiscuity: Agrobacterium's endless hunt for new partnersBenoît Lacroix
Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, NY 11794 5215, USA
Trends Genet 22:29-37. 2006..Moreover, better knowledge of the DNA-transfer mechanisms from bacteria to eukaryotic organisms can also help in understanding horizontal gene transfer--a driving force throughout biological evolution...
Manipulation of auxin transport in plant roots during Rhizobium symbiosis and nematode parasitismWim Grunewald
Department Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, B 9000 Gent, Belgium
Plant Cell 21:2553-62. 2009..In this review, we focus on recent findings in auxin transport mechanisms during plant development and on how plant symbionts and parasites have evolved to manipulate these mechanisms for their own purposes...
Role of BacA in lipopolysaccharide synthesis, peptide transport, and nodulation by Rhizobium sp. strain NGR234Silvia Ardissone
Laboratoire de Biologie Moleculaire des Plantes Superieures, Universite de Geneve, 30 Quai Ernest Ansermet, Sciences III, 1211 Geneva 4, Switzerland
J Bacteriol 193:2218-28. 2011..We investigated the role of BacA in Rhizobium species strain NGR234 by mutating the bacA gene...
Conservation of plasmid-encoded traits among bean-nodulating Rhizobium speciesSusana Brom
Programa de Genetica Molecular de Plasmidos Bacterianos, Centro de Investigacion Sobre Fijacion de Nitrogeno, UNAM, Cuernavaca, Morelos, Mexico
Appl Environ Microbiol 68:2555-61. 2002b>Rhizobium etli type strain CFN42 contains six plasmids...
Lifestyle alternatives for rhizobia: mutualism, parasitism, and forgoing symbiosisR Ford Denison
Department of Agronomy and Range Science, University of California at Davis, 1 Shields Avenue, Davis, CA 95616, USA
FEMS Microbiol Lett 237:187-93. 2004..Nonsymbiotic strains are unable to infect legumes at all. Why have rhizobium strains with one of these three strategies not displaced the others? A symbiotic (mutualistic or parasitic) ..
Lipopolysaccharides from Legionella and Rhizobium stimulate mouse bone marrow granulocytes via Toll-like receptor 2Robert Girard
Lymphocyte Development, URA-1961 of the National Center for Scientific Research, Pasteur Institute, Paris, France
J Cell Sci 116:293-302. 2003..from bacteria that do not belong to the Enterobacteriaceae, we show that in bone marrow cells (BMCs) the LPS of Rhizobium species Sin-1 and of three strains of Legionella pneumophila require TLR2 rather than TLR4 to elicit the ..
Analysis of core genes supports the reclassification of strains Agrobacterium radiobacter K84 and Agrobacterium tumefaciens AKE10 into the species Rhizobium rhizogenesEncarna Velázquez
Departamento de Microbiologia y Genetica, Edificio Departamental de Biología, Universidad de Salamanca, Campus Miguel de Unamuno, 37007 Salamanca, Spain
Syst Appl Microbiol 33:247-51. 2010..phylogenetic analysis of the chromosomal genes rrs, atpD and recA showed that they should be reclassified into Rhizobium rhizogenes...
Rhizobium alkalisoli sp. nov., isolated from Caragana intermedia growing in saline-alkaline soils in the north of ChinaYang Li Lu
State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
Int J Syst Evol Microbiol 59:3006-11. 2009..7 and 99.5 % sequence similarities with those of Rhizobium huautlense SO2(T) and Rhizobium galegae USDA 4128(T), respectively...
An embryogenic suspension cell culture system for Agrobacterium-mediated transformation of citrusM Dutt
Citrus Research and Education Center, University of Florida IFAS, 700 Experiment Station Road, Lake Alfred, FL 33850, USA
Plant Cell Rep 29:1251-60. 2010..This protocol can create an avenue for insertion of useful traits into any polyembryonic citrus cultivar that can be established as embryogenic cell suspension cultures, including popular specialty mandarins and seedless cultivars...
Stabilizing mechanisms in a legume-rhizobium mutualismKaty D Heath
Department of Plant Biology, University of Minnesota, St Paul, Minnesota 55108, USA
Evolution 63:652-62. 2009..partner choice and sanctioning may play roles in preventing the invasion of less-beneficial rhizobia in legume-rhizobium mutualisms. The importance of these mechanisms in natural communities, however, remains unclear...
Involvement of targeted proteolysis in plant genetic transformation by AgrobacteriumTzvi Tzfira
Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, New York 11794 5215, USA
Nature 431:87-92. 2004..The critical role of proteasomal degradation in Agrobacterium-mediated genetic transformation was also evident from inhibition of T-DNA expression by a proteasomal inhibitor...
Curdlan and other bacterial (1-->3)-beta-D-glucansM McIntosh
Department of Biochemistry, La Trobe University, Bundoora, 3086 Victoria, Australia
Appl Microbiol Biotechnol 68:163-73. 2005....
Surface polysaccharide involvement in establishing the rhizobium-legume symbiosisNicolas Fraysse
Laboratoire des IMRCP, UMR5623 UPS/CNRS, 118 route de Narbonne, F-31062 Toulouse, France
Eur J Biochem 270:1365-80. 2003..Their chemistry is important for structural recognition as well as for physico-chemical properties...
Conjugative transfer of p42a from rhizobium etli CFN42, which is required for mobilization of the symbiotic plasmid, is regulated by quorum sensingCristina Tun-Garrido
Programa de Genetica Molecular de Plasmidos Bacterianos, Centro de Investigacion Sobre Fijacion de Nitrogeno, UNAM, Cuernavaca, Morelos, Mexico
J Bacteriol 185:1681-92. 2003b>Rhizobium etli CFN42 contains six plasmids. Only one of them, p42a, is self-conjugative at high frequency. This plasmid is strictly required for mobilization of the symbiotic plasmid (pSym)...
Agrobacterium tumefaciens and Agrobacterium rhizogenes transformed roots of the parasitic plant Triphysaria versicolor retain parasitic competenceAlexey Tomilov
Department of Plant Sciences, University of California Davis, Davis, CA 95616, USA
Planta 225:1059-71. 2007..Transgenic roots also remained competent to form haustoria in response to purified inducing factors. These transformation systems will allow an in planta assessment of genes predicted to function in plant parasitism...
A revision of Rhizobium Frank 1889, with an emended description of the genus, and the inclusion of all species of Agrobacterium Conn 1942 and Allorhizobium undicola de Lajudie et al. 1998 as new combinations: Rhizobium radiobacter, R. rhizogenes, R. rubi,J M Young
Landcare Research, Auckland, New Zealand
Int J Syst Evol Microbiol 51:89-103. 2001b>Rhizobium, Agrobacterium and Allorhizobium are genera within the bacterial family Rhizobiaceae, together with Sinorhizobium. The species of Agrobacterium, Agrobacterium tumefaciens (syn...
The VirE3 protein of Agrobacterium mimics a host cell function required for plant genetic transformationBenoît Lacroix
Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, NY 11794 5215, USA
EMBO J 24:428-37. 2005....
Rhizavidin from Rhizobium etli: the first natural dimer in the avidin protein familySatu H Helppolainen
Institute of Medical Technology, University of Tampere, FI 33014 Tampere, Finland
Biochem J 405:397-405. 2007b>Rhizobium etli CFN42 is a symbiotic nitrogen-fixing bacterium of the common bean Phaseolus vulgaris. The symbiotic plasmid p42d of R. etli comprises a gene encoding a putative (strept)avidin-like protein, named rhizavidin...
Rhizobium meliloti fixGHI sequence predicts involvement of a specific cation pump in symbiotic nitrogen fixationD Kahn
Laboratoire de Biologie Moleculaire des relations Plantes Microorganismes, Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Castanet Tolosan, France
J Bacteriol 171:929-39. 1989We present genetic and structural analyses of a fix operon conserved among rhizobia, fixGHI from Rhizobium meliloti. The nucleotide sequence of the operon suggests it may contain a fourth gene, fixS...
Variability in the level of RNA silencing suppression caused by triple gene block protein 1 (TGBp1) from various potexviruses during infectionHiroko Senshu
Department of Agricultural and Environmental Biology, The University of Tokyo, Bunkyo ku, Tokyo 113 8657, Japan
J Gen Virol 90:1014-24. 2009..Moreover, we investigated the effect of TGBp1 encoded by Plantago asiatica mosaic virus (PlAMV), which exhibited a strong suppressor activity, on the accumulation of microRNA, virus genomic RNA and virus-derived small interfering RNAs...
rosR, a determinant of nodulation competitiveness in Rhizobium etliM A Bittinger
Cellular and Molecular Biology Program, University of Wisconsin Madison 53706, USA
Mol Plant Microbe Interact 10:180-6. 1997We previously described a Tn5 mutant of Rhizobium etli strain CE3, designated CE3003, that is decreased in nodulation competitiveness, reduced in competitive growth in the rhizosphere, and has a hydrophobic cell surface (R. S. Araujo, E...
RepA negatively autoregulates the transcription of the repABC operon of the Rhizobium etli symbiotic plasmid basic repliconM A Ramírez-Romero
Programa de Evolución Molecular, Centro de Investigacion Sobre Fijacion de Nitrogeno, Universidad Nacional Autonoma de Mexico, Apartado Postal 565 A, Cuernavaca, Morelos, Mexico
Mol Microbiol 42:195-204. 2001The basic replicon of Rhizobium etli CE3, like other members of the repABC plasmid family, is constituted by the repABC operon. RepC is essential for replication, and RepA and RepB play a role in plasmid segregation...
R gene-controlled host specificity in the legume-rhizobia symbiosisShengming Yang
Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546, USA
Proc Natl Acad Sci U S A 107:18735-40. 2010..This study suggests that establishment of a root nodule symbiosis requires the evasion of plant immune responses triggered by rhizobial effectors...
The mid genes of Rhizobium sp strain TAL1145 are required for degradation of mimosine into 3-hydroxy-4-pyridone and are inducible by mimosineD Borthakur
Department of Molecular Biosciences and Bioengineering, University of Hawaii, 1955 E West Road, Ag Sci 218, Honolulu, HI 96822, USA
Microbiology 149:537-46. 2003..The leucaena-nodulating Rhizobium sp. strain TAL1145 degrades mimosine (Mid(+)) and utilizes it as a source of carbon and nitrogen...
Functional analysis of the type 3 effector nodulation outer protein L (NopL) from Rhizobium sp. NGR234: symbiotic effects, phosphorylation, and interference with mitogen-activated protein kinase signalingLing Zhang
State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat Sen University, Guangzhou 510006, China
J Biol Chem 286:32178-87. 2011..Nodulation outer protein L (NopL) of Rhizobium sp. strain NGR234 is a Rhizobium-specific type 3 effector...
Bathy phytochromes in rhizobial soil bacteriaGregor Rottwinkel
Institute of Botany, Faculty of Chemistry and Biosciences, Karlsruhe Institute of Technology, Kaiserstr 2, 76131 Karlsruhe, Germany
J Bacteriol 192:5124-33. 2010..b>Rhizobium leguminosarum 3841, Rhizobium etli CIAT652, and Azorhizobium caulinodans ORS571 contain a single phytochrome of ..
Rhizobial measures to evade host defense strategies and endogenous threats to persistent symbiotic nitrogen fixation: a focus on two legume-rhizobium model systemsKazuhiko Saeki
Department of Biological Sciences, Faculty of Science, Nara Women s University, Kitauoya Nishimachi, Nara, Japan
Cell Mol Life Sci 68:1327-39. 2011The establishment and maintenance of rhizobium-legume symbioses require a sequence of highly regulated and coordinated events between the organisms...
Genetic dissection of Rhizobium-induced infection and nodule organogenesis in pea based on ENOD12A and ENOD5 expression analysisE A Dolgikh
All Russia Research Institute for Agricultural Microbiology ARRIAM, St Petersburg, Russia
Plant Biol (Stuttg) 13:285-96. 2011..Activation of PsENOD12a only requires components involved in early steps of signalling and can be considered as a marker of early symbiotic events preceding infection...
Agroinfiltration as a technique for rapid assays for evaluating candidate insect resistance transgenes in plantsBrian Michael Leckie
Department of Plant Sciences, University of Tennessee, 2431 Joe Johnson Dr, 252 Ellington Plant Sciences Bldg, Knoxville, TN 37996 4561, USA
Plant Cell Rep 30:325-34. 2011..This agroinfiltration-insect bioassay procedure can give a rapid assessment of insect resistance significantly decreasing the time needed for evaluation of candidate genes...
Agrobacterium-mediated transient expression in citrus leaves: a rapid tool for gene expression and functional gene assayJose F L Figueiredo
Plant Pathology Department, University of Florida, Gainesville, FL, USA
Plant Cell Rep 30:1339-45. 2011..Transient expression in citrus has the potential for aiding in the development of new disease defense strategies in citrus...
Renilla luciferase-based quantitation of Potato virus A infection initiated with Agrobacterium infiltration of N. benthamiana leavesK Eskelin
Department of Applied Chemistry and Microbiology, PO Box 27, FIN 00014 University of Helsinki, Finland
J Virol Methods 164:101-10. 2010..However, a subtle increase in the mRNA level led to pronounced changes in Rluc activity. PVA CP accumulation was quantitated by enzyme-linked immunosorbent assay. The increase in Rluc activity correlated closely with virus accumulation...
Studies on the biodegradation of fosfomycin: growth of Rhizobium huakuii PMY1 on possible intermediates synthesised chemicallyJohn W McGrath
School of Biology and Biochemistry, The Queen s University of Belfast, Medical Biology Centre, 97 Lisburn Rd, Belfast, BT9 7BL, Northern Ireland
Org Biomol Chem 7:1944-53. 2009..The P(i) released from (1R,2R)-1,2-dihydroxypropylphosphonic acid labelled with one oxygen-18 in the PO3H2 group did not stay long enough in the cells to allow complete exchange of 18O for 16O by enzymic turnover...
Detection of two loci involved in (1-->3)-beta-glucan (curdlan) biosynthesis by Agrobacterium sp. ATCC31749, and comparative sequence analysis of the putative curdlan synthase geneS J Stasinopoulos
Department of Biochemistry and Department of Microbiology, La Trobe University, Bundoora 3083, Australia
Glycobiology 9:31-41. 1999..Whatever the determinants of the linkage specificity of these beta-glucan synthases might be, these results raise the possibility that (1-->3)-beta-glucans and (1-->4)-beta-glucans are formed by related catalytic polypeptides...
High catalase production by Rhizobium radiobacter strain 2-1Mami Nakayama
S G Laboratory Co, 2 35 Ohorikoen, Chuo Ku, Fukuoka 810 0051, Japan
J Biosci Bioeng 106:554-8. 2008..Strain 2-1 was identified as Rhizobium radiobacter (formerly known as Agrobacterium tumefaciens) on the basis of both phenotypic and genotypic ..
Intergenomic epistasis and coevolutionary constraint in plants and rhizobiaKaty D Heath
Department of Plant Biology, University of Minnesota, St Paul, Minnesota 55108, USA
Evolution 64:1446-58. 2010..natural populations, I studied the symbiotic fitness benefits for both partners in 108 plant maternal family by rhizobium strain combinations...
Exo-oligosaccharides of Rhizobium sp. strain NGR234 are required for symbiosis with various legumesChristian Staehelin
State Key Laboratory of Biocontrol, School of Life Sciences, SunYat Sen Zhongshan University, Guangzhou 510275, China
J Bacteriol 188:6168-78. 2006..An acidic EPS from Rhizobium sp...
Dissection of symbiosis and organ development by integrated transcriptome analysis of lotus japonicus mutant and wild-type plantsNiels Høgslund
Centre for Carbohydrate Recognition and Signalling, MBI, Aarhus University, Aarhus C, Denmark
PLoS ONE 4:e6556. 2009Genetic analyses of plant symbiotic mutants has led to the identification of key genes involved in Rhizobium-legume communication as well as in development and function of nitrogen fixing root nodules...
Rhizobium lusitanum sp. nov. a bacterium that nodulates Phaseolus vulgarisAngel Valverde
, IRNASA-CSIC, Salamanca, Spain
Int J Syst Evol Microbiol 56:2631-7. 2006..to phylogenetic analysis of the 16S rRNA gene sequence, the strains from this study belong to the genus Rhizobium, with Rhizobium rhizogenes and Rhizobium tropici as the closest related species, with 99.9 and 99...
Rhizobium cellulosilyticum sp. nov., isolated from sawdust of Populus albaPaula García Fraile
Departamento de Microbiologia y Genetica, Universidad de Salamanca, Spain
Int J Syst Evol Microbiol 57:844-8. 2007..sources, two strains were isolated from pulverized decaying wood of Populus alba and classified in the genus Rhizobium on basis of their almost complete 16S rRNA gene sequences...
Transcriptional profiling of ESTs responsive to Rhizobium vitis from 'Tamnara' grapevines (Vitis sp.)Youn Jung Choi
Fruits Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Suwon 440 706, Republic of Korea
J Plant Physiol 167:1084-92. 2010Genes related with defense responses were screened from the cDNA library constructed with Rhizobium vitis-inoculated or salicylic acid (SA)-treated 'Tamnara' grapevine (Vitis sp.) leaves...
Rhizobium hainanense sp. nov., isolated from tropical legumesW X Chen
Department of Microbiology, College of Biological Sciences, China Agricultural University, Beijing, People s Republic of China
Int J Syst Bacteriol 47:870-3. 1997..group isolated from leguminous plants in Hainan Province, a tropical region of China, is proposed as a new Rhizobium species on the basis of 16S rRNA gene sequencing. DNA-DNA hybridization, and phenotypic characterization...
Role of symbiotic auxotrophy in the Rhizobium-legume symbiosesJurgen Prell
John Innes Centre, Norwich Research Park, Norwich, United Kingdom
PLoS ONE 5:e13933. 2010b>Rhizobium leguminosarum bv...
Renaming of Agrobacterium larrymoorei Bouzar and Jones 2001 as Rhizobium larrymoorei (Bouzar and Jones 2001) comb. novJ M Young
Landcare Research, Private Bag 92170, Auckland, New Zealand
Int J Syst Evol Microbiol 54:149. 2004In conformity with the nomenclature of the genus Rhizobium published by Young et al. (Int J Syst Evol Microbiol 51, 89-103, 2001), it is proposed that Agrobacterium larrymoorei be named as Rhizobium larrymoorei comb. nov.
Molecular characterization of grapevine plants transformed with GFLV resistance genes: IGiorgio Gambino
, Via Leonardo da Vinci 44, I-10095 Grugliasco (Turin, Italy
Plant Cell Rep 24:655-62. 2005..Specific mRNA was present at variable expression levels; some lines accumulated the coat protein while in others the protein was not detectable by ELISA...
Rhizobium daejeonense sp. nov. isolated from a cyanide treatment bioreactorZhe-Xue Quan
Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea
Int J Syst Evol Microbiol 55:2543-9. 2005..inferred from comparative 16S rRNA gene sequences indicated that the isolates fall in a sublineage of the genus Rhizobium comprising the type strains of Rhizobium giardinii, Rhizobium radiobacter, Rhizobium rubi, Rhizobium larrymoorei,..
Cloning and characterization of a Rhizobium meliloti homolog of the Escherichia coli cell division gene ftsZW Margolin
Department of Biological Sciences, Stanford University, California 94305 5020
J Bacteriol 173:5822-30. 1991..To begin our studies of division arrest during differentiation of Rhizobium meliloti bacteroids, we isolated a R. meliloti ftsZ homolog, ftsZRm...
Molecular cloning and nucleotide sequence of the Rhizobium phaseoli recA geneJ Michiels
F A Janssens Laboratory of Genetics, University of Leuven, Heverlee, Belgium
Mol Gen Genet 228:486-90. 1991A recombinant lambda phage carrying the recA gene of Rhizobium phaseoli was isolated from a R. phaseoli genomic library by complementation of the Fec- phenotype of the recombinant phage in Escherichia coli. When expressed in E...
Stable transformation and direct regeneration in Coffea canephora P ex. Fr. by Agrobacterium rhizogenes mediated transformation without hairy-root phenotypeVinod Kumar
Plant Cell Biotechnology Department, Central Food Technological Research Institute, Mysore 570 020, Karnataka, India
Plant Cell Rep 25:214-22. 2006..The study clearly demonstrates that A. rhizogenes can be used for delivering transgenes into tree species like Coffea using binary vectors with Agrobacterium tumefaciens T-DNA borders...
Phylogenetic analysis of the genera Bradyrhizobium, Mesorhizobium, Rhizobium and Sinorhizobium on the basis of 16S rRNA gene and internally transcribed spacer region sequencesSoon Wo Kwon
Korean Agricultural Culture Collection KACC, Genetic Resources Division, National Institute of Agricultural Biotechnology, Rural Development Administration RDA, Suwon 441 707, Korea
Int J Syst Evol Microbiol 55:263-70. 2005..relationships between these Korean isolates and reference strains of the genera Bradyrhizobium, Mesorhizobium, Rhizobium and Sinorhizobium were analysed using their 16S rRNA gene and internally transcribed spacer (ITS) region ..
Rhizobium meliloti exoG and exoJ mutations affect the exoX-exoY system for modulation of exopolysaccharide productionJ W Reed
Department of Biology, Massachusetts Institute of Technology, Cambridge 02139
J Bacteriol 173:3776-88. 1991..this region reveals that it contains two open reading frames, called exoX and exoY, which have homologs in other Rhizobium species...
Evidence that the Rhizobium regulatory protein RirA binds to cis-acting iron-responsive operators (IROs) at promoters of some Fe-regulated genesK H Yeoman
School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK
Microbiology 150:4065-74. 2004Mutations in rirA of Rhizobium have been shown to deregulate expression of several genes that are normally repressed by iron...
Cascade regulation of nif gene expression in Rhizobium melilotiM David
Laboratoire de Biologie Moléculaire des Relations Plantes Microorganismes CNRS INRA, BP27, Castanet Tolosan, France
Cell 54:671-83. 1988We report the discovery of two genes from Rhizobium meliloti, fixL and fixJ, which are positive regulators of symbiotic expression of diverse nitrogen fixation (nif and fix) genes...
Analysis of pss genes of Rhizobium leguminosarum required for exopolysaccharide synthesis and nodulation of peas: their primary structure and their interaction with psi and other nodulation genesD Borthakur
John Innes Institute, Norwich, UK
Mol Gen Genet 213:155-62. 1988Strains of Rhizobium leguminosarum (R.l.) biovar viciae containing pss mutations fail to make the acidic exopolysaccharides (EPS) and are unable to nodulate peas...
Efficient production of Agrobacterium rhizogenes-transformed roots and composite plants for studying gene expression in coffee rootsE Alpizar
, , UMR-DGPC, , Montpellier, France
Plant Cell Rep 25:959-67. 2006..These results suggest that composite plants constitute a powerful tool for studying nematode resistance genes...
Engineering the nifH promoter region and abolishing poly-beta-hydroxybutyrate accumulation in Rhizobium etli enhance nitrogen fixation in symbiosis with Phaseolus vulgarisHumberto Peralta
, , , Cuernavaca, Morelos CP62271, Mexico
Appl Environ Microbiol 70:3272-81. 2004b>Rhizobium etli, as well as some other rhizobia, presents nitrogenase reductase (nifH) gene reiterations. Several R...
Identification and characterization of the Rhizobium meliloti ntrC gene: R. meliloti has separate regulatory pathways for activation of nitrogen fixation genes in free-living and symbiotic cellsW W Szeto
J Bacteriol 169:1423-32. 1987We show here that Rhizobium meliloti, the nitrogen-fixing endosymbiont of alfalfa (Medicago sativa), has a regulatory gene that is structurally homologous to previously characterized ntrC genes in enteric bacteria...
Quorum sensing in Rhizobium sp. strain NGR234 regulates conjugal transfer (tra) gene expression and influences growth rateXuesong He
Department of Biology, Indiana University, 1001 E. 3rd Street, Bloomington, IN 47405, USA
J Bacteriol 185:809-22. 2003b>Rhizobium sp. strain NGR234 forms symbiotic, nitrogen-fixing nodules on a wide range of legumes via functions largely encoded by the plasmid pNGR234a...
Expression of human acidic fibroblast growth factor in Nicotiana benthamiana with a potato-virus-X-based binary vectorJingying Liu
Institute of Genetics and Cytology, Northeast Normal University, 5268 Renmin Street, Changchun 130024, People s Republic of China
Biotechnol Appl Biochem 48:143-7. 2007..haFGF was then purified on heparin-Sepharose CL-6B. The purified haFGF could stimulate the growth of NIH 3T3 cells, suggesting that the recombinant haFGF expressed via PVX viral vector in N. benthamiana was active biologically...
Rhizobium oryzae sp. nov., isolated from the wild rice Oryza altaGuixiang Peng
College of Resources and Environment, South China Agricultural University, Guangzhou 510642, PR China
Int J Syst Evol Microbiol 58:2158-63. 2008..species Oryza alta, eight novel isolates were obtained from surface-sterilized roots and classified in the genus Rhizobium on the basis of almost-complete 16S rRNA gene sequence analysis...
A genome-wide gain-of function analysis of rice genes using the FOX-hunting systemHidemitsu Nakamura
Division of Genome and Biodiversity Research, NationalInstitute of Agrobiological Sciences, 2 1 2 Kannondai, Tsukuba, Ibaraki 305 8602, Japan
Plant Mol Biol 65:357-71. 2007..We also show here the other morphological alterations caused by individual FL-cDNA expression. These dominant phenotypes should be valuable indicators for gene discovery and functional analysis...
Agrobacterium-mediated transformation of embryogenic cultures and plant regeneration in Vitis rotundifolia Michx. (muscadine grape)S A Dhekney
Mid Florida Research and Education Center, University of Florida IFAS, 2725 Binion Road, Apopka, FL 32703 8504, USA
Plant Cell Rep 27:865-72. 2008..Transgenic plants exhibited uniform GFP expression in cells of all plant tissues and organs including leaves, stems, roots, inflorescences and the embryo and endosperm of developing berries...
An experimental and modelling exploration of the host-sanction hypothesis in legume-rhizobia mutualismDiana E Marco
Laboratorio de Ecología Matemática, Area de Producción Orgánica, Facultad de Ciencias Agropecuarias, Universidad Nacional de Cordoba, Ciudad Universitaria, CC 509, 5000 Cordoba, Argentina
J Theor Biol 259:423-33. 2009..against non-N(2) fixing, cheating symbionts have been proposed as a force stabilizing mutualism in legume-Rhizobium symbiosis...
Rhizobium yanglingense sp. nov., isolated from arid and semi-arid regions in ChinaZ Y Tan
Department of Microbiology, College of Biological Sciences, China Agricultural University, Beijing, PR China
Int J Syst Evol Microbiol 51:909-14. 2001..of 16S rRNA gene sequences showed that isolate CCBAU 71623T, representing cluster 9, was most related to Rhizobium gallicum and Rhizobium mongolense. The DNA-DNA homologies were lower than 42...
Heme-dependent metalloregulation by the iron response regulator (Irr) protein in Rhizobium and other Alpha-proteobacteriaSandra K Small
Department of Biochemistry and the Witebsky Center for Microbial Pathogenesis and Immunology, State University of New York at Buffalo, Buffalo, New York 14214, USA
Biometals 22:89-97. 2009..The iron response regulator (Irr) is part of a novel regulatory scheme employed by Rhizobium and other Alpha-Proteobacteria to control iron-dependent gene expression...
Rhizobium fabae sp. nov., a bacterium that nodulates Vicia fabaChang Fu Tian
Key Laboratory of Agro Microbial Resource and Application, Ministry of Agriculture College of Biological Sciences, China Agricultural University, Beijing, PR China
Int J Syst Evol Microbiol 58:2871-5. 2008..According to phylogenetic analyses of 16S rRNA gene, atpD and recA sequences, these strains belong to the genus Rhizobium, with Rhizobium etli and Rhizobium leguminosarum as the closest related species...
Rhizobium miluonense sp. nov., a symbiotic bacterium isolated from Lespedeza root nodulesChun Tao Gu
Key Laboratory of Agro Microbial Resource and Application, Ministry of Agriculture Department of Microbiology, College of Biological Sciences, China Agricultural University, Beijing 100094, China
Int J Syst Evol Microbiol 58:1364-8. 2008..Based on data obtained in the present and previous studies, a novel species, Rhizobium miluonense sp. nov., is proposed for these strains. The type strain of R...
Rhizobium multihospitium sp. nov., isolated from multiple legume species native of Xinjiang, ChinaTian Xu Han
Key Laboratory of Agro Microbial Resource and Application, Ministry of Agriculture College of Biological Sciences, China Agricultural University, Beijing 100094, PR China
Int J Syst Evol Microbiol 58:1693-9. 2008..These strains were classified as belonging to the genus Rhizobium based on amplified 16S rDNA restriction analysis (ARDRA)...
Molecular diversity and phylogeny of rhizobia associated with wild legumes native to Xinjiang, ChinaTian Xu Han
Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
Syst Appl Microbiol 31:287-301. 2008..Nine genomic species belonging to four genera of Rhizobium, Mesorhizobium, Ensifer, and Bradyrhizobium were defined among these strains based on the characterization of ..
Rhizobium mesosinicum sp. nov., isolated from root nodules of three different legumesDong Xu Lin
State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
Int J Syst Evol Microbiol 59:1919-23. 2009..Phylogenetic analysis of 16S rRNA gene sequences revealed that they belong to the genus Rhizobium. A representative strain, CCBAU 25010T, showed 98...
AniA regulates reserve polymer accumulation and global protein expression in Rhizobium etliSergio Encarnación
Programa de Ingeniería Metabólica, Centro de Investigacion Sobre Fijacion de Nitrogeno, Universidad Nacional Autonoma de Mexico, Cuernavaca, Morelos CP62210, Mexico
J Bacteriol 184:2287-95. 2002..capacity and ability to grow on carbon sources such as pyruvate and glucose were severely diminished in the Rhizobium etli phaC::OmegaSm(r)/Sp(r) mutant CAR1, which is unable to synthesize poly-beta-hydroxybutyric acid (PHB) (M. A...
Nitrate reduction and nitrogen fixation in symbiotic association Rhizobium-legumesRobert Lucinski
Department of Plant Physiology, Adam Mickiewicz University, Poznan, Poland
Acta Biochim Pol 49:537-46. 2002..Recent advances indicate that symbiotic associations of Rhizobium strains characterized by a high nitrate reductase activity are less susceptible to inhibition by nitrate...
Evolving insights: symbiosis islands and horizontal gene transferTurlough M Finan
Department of Biology, McMaster University, Hamilton, Ontario L8S 4K1, Canada
J Bacteriol 184:2855-6. 2002
Rhizobium mongolense sp. nov. is one of three rhizobial genotypes identified which nodulate and form nitrogen-fixing symbioses with Medicago ruthenica [(L.) Ledebour]P van Berkum
US Department of Agriculture, ARS, Soybean and Alfalfa Research Laboratory, Beltsville, MD 20705, USA
Int J Syst Bacteriol 48:13-22. 1998..b>Rhizobium tropici also formed nitrogen-fixing symbioses with Medicago ruthenica...
Rhizobium tibeticum sp. nov., a symbiotic bacterium isolated from Trigonella archiducis-nicolai (Sirj.) VassilczBao Chao Hou
State Key Laboratories for Agro biotechnology College of Biological Sciences, China Agricultural University, 100193 Beijing, PR China
Int J Syst Evol Microbiol 59:3051-7. 2009..DNA-DNA hybridization, the two strains were very similar and were different from reference strains of defined Rhizobium species...
Rhizobium sullae sp. nov. (formerly 'Rhizobium hedysari'), the root-nodule microsymbiont of Hedysarum coronarium LAndrea Squartini
Dipartimento di Biotecnologie Agrarie, Universita di Padova, Italy
Int J Syst Evol Microbiol 52:1267-76. 2002..physiology, genetics and ecology of such organisms, which have in the past been referred to provisionally as 'Rhizobium hedysari'...
Rhizobium indigoferae sp. nov. and Sinorhizobium kummerowiae sp. nov., respectively isolated from Indigofera spp. and Kummerowia stipulaceaGe Hong Wei
College of Biological Sciences, China Agricultural University, Beijing 100094, People s Republic of China
Int J Syst Evol Microbiol 52:2231-9. 2002..All the isolates within cluster 1 were isolated from Indigofera and they were identified as Rhizobium strains by 16S rRNA gene analysis. DNA relatedness of 29.5-48...
Phylogenetic and symbiotic characterization of rhizobial bacteria nodulating Argyrolobium uniflorum in Tunisian arid soilsM Mahdhi
Laboratoire de Biotechnologies vegetales Appliquees a l Amelioration des cultures, Faculte des Sciences de Gabes, Cite Erriadh Zrig 6072 Gabes, Tunisia
Can J Microbiol 54:209-17. 2008..Phylogenetically, the new isolates were grouped in the genera Sinorhizobium (27), Rhizobium (13), and Agrobacterium (2)...
Agrobacterium-mediated transformation of maizeYuji Ishida
Plant Innovation Center, Japan Tobacco Inc, 700 Higashibara, Iwata, Shizuoka, Japan
Nat Protoc 2:1614-21. 2007..More than 90% of transformants are expected to be normal in morphology. The protocol takes about 3 months from the start of co-cultivation to the planting of transformants into pots...
Occurrence of tetraploidy in Nicotiana attenuata plants after Agrobacterium-mediated transformation is genotype specific but independent of polysomaty of explant tissueBen Bubner
, , 07745, Jena, Germany
Plant Cell Rep 25:668-75. 2006..We propose that future work on post-transformation polyploidy concentrate on the processes that occur during callus formation and plant regeneration from callus...
A highly efficient in vitro plant regeneration system and Agrobacterium-mediated transformation in Plumbago zeylanicaXiaoping Wei
Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019, USA
Plant Cell Rep 25:513-21. 2006..zeylanica cells of petiole, cotyledon and hypocotyl with A. tumefaciens strains AGL1 and LBA4404. Transient expression was observed in all recipient tissues. Stable transgenic calli originating from petiole were obtained...
Changes in morphological phenotypes and withanolide composition of Ri-transformed roots of Withania somniferaMaumita Bandyopadhyay
Centre of Advanced Study in Cell and Chromosome Research, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Calcutta 700019, India
Plant Cell Rep 26:599-609. 2007..15-0.21% dry weight) and withanolide D (0.08-0.11% dry weight), and they grew faster than the transformed root lines. This is the first report of the presence of withasteroids in undifferentiated callus cultures of W. somnifera...
A highly efficient transformation protocol for Micro-Tom, a model cultivar for tomato functional genomicsHyeon-Jin Sun
Gene Research Center, Graduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki, Japan
Plant Cell Physiol 47:426-31. 2006..Cotyledon explants of tomato inoculated with Agrobacterium tumefaciens (Rhizobium radiobacter) C58C1Rif(R) harboring the binary vector pIG121Hm generated a mass of chimeric non-transgenic and ..
High efficiency Agrobacterium rhizogenes-mediated transformation of Saponaria vaccaria L. (Caryophyllaceae) using fluorescence selectionJanice F Schmidt
Plant Biotechnology Institute, 110 Gymnasium Place, S7N OW9 Saskatoon, SK, Canada
Plant Cell Rep 26:1547-54. 2007..rhizogenes strain LBA9402 and internode explants precultured on a phytohormone mixture. Selection of cotransformed roots by observation of enhanced green fluorescent protein fluorescence alone was highly effective and convenient...
The use of green fluorescent protein (GFP) improves Agrobacterium-mediated transformation of 'Spadona' pear (Pyrus communis L.)S D Yancheva
Plant Biotechnology Laboratory, Agricultural University, 12 Mendeleev Street, 4000 Plovdiv, Bulgaria
Plant Cell Rep 25:183-9. 2006..0-4.0%. We conclude that the introduction of GFP improves the selection of transformed plants of Spadona pear...
Establishment of Withania somnifera hairy root cultures for the production of withanolide AHosakatte N Murthy
Plant Sciences Division, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, UK
J Integr Plant Biol 50:975-81. 2008..The concentration of withanolide A in transformed roots (157.4 microg/g dry weight) was 2.7-fold more than in non-transformed cultured roots (57.9 microg/g dry weight)...
Hairy root-activation tagging: a high-throughput system for activation tagging in transformed hairy rootsHikaru Seki
RIKEN Plant Science Center, Kanagawa, Tsurumi-ku, Yokohama 230-0045, Japan
Plant Mol Biol 59:793-807. 2005..High-throughput metabolic profiling of activation-tagged root culture lines will offer opportunities for identifying regulatory or biosynthetic genes for the production of valuable secondary metabolites of interest...
Research Grants
- RHIZOBIAL LIPOPOLYSACCHARIDES ESSENTIAL FOR INFECTIONRussell Carlson; Fiscal Year: 2009b>Rhizobium-legume symbioses involve processes that are fundamental to all bacterial-host interactions. These include (a.) prokaryotic-eukaryotic recognition, (b.) interaction with the host defense mechanism, and (c...
- DnaK Protein Inhibitor AntimicrobialsMichael Sturgess; Fiscal Year: 2003..abstract_text> ..
- STRUCTURES OF ANTIBIOTICS AND RELATED COMPOUNDSKENNETH RINEHART; Fiscal Year: 1999..solidum, on hepatotoxins from cyanobacteria, on iron-transport hydroxamates from Hemophilus influenzae, and on a hibernation- and fasting-characteristic compound produced by black bears and humans. ..
- LIPID A MODIFICATION SYSTEMS IN GRAM-NEGATIVE BACTERIACHRISTIAN RAETZ; Fiscal Year: 2007..glycolipids that comprise the outer surfaces of Gram-negative bacteria, including the symbiotic organism, Rhizobium leguminosamm...
- RHIZOBIAL LIPOPOLYSACCHARIDES ESSENTIAL FOR INFECTIONRussell Carlson; Fiscal Year: 2007b>Rhizobium-legume symbioses involve processes that are fundamental to all bacterial-host interactions. These include (a.) prokaryotic-eukaryotic recognition, (b.) interaction with the host defense mechanism, and (c...
- MOLECULAR GENETICS OF RHIZOBIUM NODULATION PLASMIDSGraham Walker; Fiscal Year: 2009....
- MOLECULAR GENETICS OF RHIZOBIUM NODULATION PLASMIDSGraham Walker; Fiscal Year: 2007..abstract_text> ..
- MECHANISMS OF POLYSACCHARIDE SYNTHESIS BY S. PNEUMONIAEJanet Yother; Fiscal Year: 2005..Homologous proteins (CpsABCD) involved in this type of biosynthesis occur in S. pneumoniae, Rhizobium, other streptococci, and staphylococci. We have demonstrated an interaction among the S...
- GENETICS OF DISEASE RESISTANCE IN ARABIDOPSIS THALIANARoger Innes; Fiscal Year: 2003..These experiments will advance understanding of how interactions of plant R genes and pathogen avr genes lead to disease resistance. ..
- Genetic analysis of Cryptococcus neoformans virulenceJoseph Heitman; Fiscal Year: 2007..These studies will enable a genome-wide definition of the gene set contributing to virulence of this common human fungal pathogen. ..
- Genetic analysis of Cryptococcus neoformans virulenceJoseph Heitman; Fiscal Year: 2009..These studies will enable a genome-wide definition of the gene set contributing to virulence of this common human fungal pathogen. ..
- INTERACTIONS BETWEEN AGROBACTERIUM AND HOST PLANTSSTEPHEN WINANS; Fiscal Year: 2007..Direct targets of YenR and YenS will be identified and assessed for their roles in the biology and ecology of Y. enterocolitica and Y. pestis. ..
- INTERACTIONS BETWEEN AGROBACTERIUM AND HOST PLANTSStephen C Winans; Fiscal Year: 2010..Direct targets of YenR and YenS will be identified and assessed for their roles in the biology and ecology of Y. enterocolitica and Y. pestis. ..
- MOLECULAR GENETICS OF RHIZOBIUM NODULATION PLASMIDSGraham C Walker; Fiscal Year: 2010..The project has offered novel insights into the biosynthesis of B12, a critically important vitamin for human health, and will continue to explore the role of vitamin B12 in biology. ..
- MOLECULAR GENETICS OF RHIZOBIUM NODULATION PLASMIDSGraham Walker; Fiscal Year: 2005..abortus bacA mutants are potential vaccines. Our work will continue to offer insights into how specific low molecular weight oligosaccharides can serve as signals to eukaryotic hosts. ..
